Noritz 7.1 GPM 157000 BTU 120 Volt Residential Outdoor Tankless Water Heater

Features:

• Built in display window.
• High altitude adjustment.
• Direct electronic ignition.
• Durable steel casing with polyester coating.
• Temperature controls include 120°F (default) with standard temperature settings of 130°F, 135°F, or 140°F.
• Temperature lockout allows the user to lock the remote at a certain temperature.
• Standard safety features include flame rod, overheat prevention device, lightning protection device, freeze protection, fan rotation detector, and thermal fuse.
• Includes warranty of 12 years for the heat exchanger, 5 year on parts, and 1 year pre-approved reasonable labor. 
• Designed for wall mounted outdoor use only.
• No additional venting pieces required.

Product Technologies:

• Scale Detection Software: If the water has not been treated and is hard, scale can build-up and damage the heat exchanger. The display window will show a warning indication of scale build-up. Multiple warnings will result in the software locking the unit until it is flushed.
• Freeze Protection: Water freezing within the unit would damage the unit. To prevent this the unit is equipped with an electrical freeze prevention heater.

Specifications:

• Flow Rate: 0.5 to 7.1 gallons per minute
• Max BTU Input: 157000
• Height: 20.5"
• Width: 13.8"
• Depth: 6.7"
• Gas line connection: 3/4"
• Water line connection: 3/4"
• Energy Factor: 0.94 (LP) 0.94 (NG)
• Thermal Efficiency: 93% (LP or NG)